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ERI25/10/18 Planar Transformers

The ERI25/10/18 planar transformer, with its core advantages of high-frequency efficiency, robust isolation, wide temperature tolerance, and flat wire winding technology, stands as an ideal solution for telecom, industrial power supply, and DC/DC conversion applications.
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ERI25/10/18 Planar Transformers industrial power supply transformer
Product Description
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High-Frequency & High-Efficiency Design
Optimized specifically for switching frequencies of 200kHz to 700kHz, it delivers a 3%-5% higher efficiency than traditional transformers in typical high-frequency switching power supply scenarios, effectively reducing system heat generation and energy loss.
High Isolation & Safety Assurance
Boasting a 2250VDC insulation voltage rating, it complies with international safety standards. It can operate stably in environments with strong electromagnetic interference, providing reliable electrical isolation between high-voltage and low-voltage sides.
Wide Temperature Range Stability
With an operating temperature range of -40°C to 125°C, it adapts to extreme environments such as alpine and high-temperature industrial sites, as well as outdoor telecom base stations, maintaining stable performance without additional temperature compensation.
Flat Wire Winding Technology

Constructed with enameled flat wire windings, its DC resistance (DCR) is reduced by 20%-30% compared to traditional round wire windings, minimizing winding copper loss and increasing the overall energy efficiency density of the power supply system.


Physical Propertie


Order Code L1
(μH)		 n VT
(V(DC))		 ∫Udt
(Vμs)
INF-ERI25/10/18-65μH 65 2:2:4 2250 160
INF-ERI25/10/18-65μH 65 2:2:3 2250 160
INF-ERI25/10/18-65μH 65 2:2:2 2250 160
INF-ERI25/10/18-143μH 143 3:3:2 2250 240
INF-ERI25/10/18-145μH 145 3:3:4 2250 240
INF-ERI25/10/18-145μH 145 3:3:3 2250 240
INF-ERI25/10/18-260μH 260 4:4:4 2250 320
INF-ERI25/10/18-260μH 260 4:4:3 2250 320
INF-ERI25/10/18-260μH 260 4:4:2 2250 320
INF-ERI25/10/18-410μH 410 5:5:4 2250 400
INF-ERI25/10/18-410μH 410 5:5:3 2250 400
INF-ERI25/10/18-410μH 410 5:5:2 2250 400



Technical Specifications


屏幕截图 2025-10-27 154330

Product Description
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